PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

141856Gear,helical

Eaton Aerospace, Llc Dba Jackson South · NSN 3020-00-517-3928 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-3928 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-3928. Primary manufacturer part number: 141856.
Features
  • Gear,helical — FSC 3020
  • Nominal Overall Length: 6.750 INCHES IN
  • Helix Angle: 7.5000 DEGREES
  • Style Designator: PROTRUDING HUB
  • Hub Nominal Diameter: 6.500 INCHES FIRST END IN
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Type: SINGLE HELIX
  • Pitch Diameter: 8.6000 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-517-3928, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-3928
Primary Part Number141856
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Nominal Overall Length6.750 INCHES IN
Helix Angle7.5000 DEGREES
Style DesignatorPROTRUDING HUB
Hub Nominal Diameter6.500 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Teeth TypeSINGLE HELIX
Pitch Diameter8.6000 INCHES NOMINAL IN
Tooth FormSTANDARD
Face Nominal Width6.000 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.750 INCHES FIRST END IN
Teeth Quantity43
Tooth DirectionLEFT
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-120-4217140420 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
3040-01-203-9926141856 INTERCHANGEABLE
Handle
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
141856 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
C141856 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3110-00-120-4217INTERCHANGEABLE
ROLLER,BEARING
140420
3040-01-203-9926INTERCHANGEABLE
HANDLE
141856

Frequently Asked Questions

What is NSN 3020-00-517-3928?

NSN 3020-00-517-3928 is a Gear,helical, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-3928?

NSN 3020-00-517-3928 has 2 cross-referenced part numbers: 141856 (Eaton Aerospace, Llc Dba Jackson South), C141856 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3020-00-517-3928?

There are 2 known substitutes for 3020-00-517-3928: 3110-00-120-4217, 3040-01-203-9926. Verify interchangeability with system specifications before substitution.

What are the specifications of 141856?

Key specifications for 141856: Nominal Overall Length: 6.750 INCHES IN; Helix Angle: 7.5000 DEGREES; Style Designator: PROTRUDING HUB; Hub Nominal Diameter: 6.500 INCHES FIRST END IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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